Play more. Stopping ANYTHING in life causes this. You will get your skill back pretty quickly if you just keep playing. I go months without playing and when i come back my skill is gone for about 30...

Ho lee shit nice Hajnal aaa dude! I always screw it up SOMEWHERE, in different spots every time for no reason. pretty sure ive gotten like 1900 in with the aaa and dumped like 3 goods out of nowhere...